CN104935475B - The monitoring method and equipment of dual channel bus data in network system - Google Patents
The monitoring method and equipment of dual channel bus data in network system Download PDFInfo
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- CN104935475B CN104935475B CN201510202217.5A CN201510202217A CN104935475B CN 104935475 B CN104935475 B CN 104935475B CN 201510202217 A CN201510202217 A CN 201510202217A CN 104935475 B CN104935475 B CN 104935475B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000009977 dual effect Effects 0.000 title claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 238000012806 monitoring device Methods 0.000 claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000013519 translation Methods 0.000 claims description 9
- 125000004122 cyclic group Chemical group 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40169—Flexible bus arrangements
- H04L12/40176—Flexible bus arrangements involving redundancy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/4026—Bus for use in automation systems
Abstract
The invention discloses the monitoring methods and equipment of dual channel bus data in network system, specifically disclose the monitoring device and monitoring method of dual channel bus data in RAPIEnet network system, the monitoring device includes: first passage unit, it is configured to send and receive data segment by network-bus, the data segment received is converted into MII data segment, and sends and receives the MII data segment after conversion；Second channel unit is configured to send and receive data segment by network-bus, and the data segment received is converted to MII data segment, and sends and receives the MII data segment after conversion；CPU is configured to identify the carrier sense signal (CRC) of the MII data received from first passage unit and second channel unit, and sends and receives MII data；And monitoring unit, it is configured to execute the data communication with CPU, and the data segment of the MII data received in each channel monitoring from CPU.
Description
Technical field
This disclosure relates to dual channel bus in a kind of RAPIEnet (the real-time automatic protocol of Industrial Ethernet) network system
The monitoring device and monitoring method of data.More specifically, this disclosure relates to double in a kind of RAPIEnet network system as described below
The monitoring device and monitoring method of channel bus data, the RAPIEnet network system are used for iS7 frequency converter
RAPIEnet communication applied technical field when optionally developing is developed to be applied to several and be used as messaging parameter
(COM) receiving frame and erroneous frame for the monitoring/diagnosing function of organizing.
Background technique
Generally, according to when developing RAPIEnet communication module use two channels, and need two Ethernet physics
Layer.MII is transmitted from the communication protocol information of transmission of network by physical layer in RAPIEnet communication module as a result, (to manage only
Vertical interface) data are to CPU, and CPU detects signal (CRC: cyclic redundancy by the MII data segment after conversion come detected carrier
Verification).
Fig. 1 is the view for showing conventional bus network system, and Fig. 2 is the communication option card shown according to Fig. 1
Detailed construction functional block diagram.
As shown in Figure 1, installation communication is optional in single channel network system of traditional connection frequency converter to communication module
Plug-in unit 20 sends and receives communication data by network-bus 30 for communicating with network-bus 30.
In addition, as shown in Fig. 2, passing through network by the communication option card 20 that connector 21 and PHY (physical layer) 22 are constituted
Bus 30 sends data and receives data from outside.
The connector 21 and CPU 25 for communicating option card 20 send and receive data.Here, being passed by connector 21
The data for having received and/or having sent sent are sent to physical layer PHY 22 by data link unit to analyze communication protocols
View.
Received data are sent and are converted into MII (management stand-alone interface) data so as to will be total from network by PHY 22
The data transmission that line 30 transmits is to CPU 25.
On the other hand, CPU 25 receives MII (management stand-alone interface) data, by data processing and is converted to CAN communication, and
By detecting signal (CRC: cyclic redundancy check) in internal discriminatory carrier, data are sent and received using iS7 frequency converter 10.
As a result, transmitting data to the keyboard 11 of the frequency converter of Fig. 1, allow user by activating monitoring/diagnosing
Function checks data.
Fig. 3 is the functional block diagram for showing the network system of traditional dual channel bus.As shown in figure 3, binary channels network
It is communicated during identical with single channel network.Communication option card 20 sends data by network-bus 30 and connects from outside
Receive data.Data are sent and received by communicating the connector 21,24 of option card 20.
The data for receiving and/or sending transmitted by connector 21,24 are distinguished by data link unit as a result,
It is sent to physical layer PHY 22,23, to analyze communication protocol.
In addition, received data is sent and is converted into MII (management stand-alone interface) data to incite somebody to action by physical layer 22,23
The data transmission transmitted from network-bus 30 is to CPU 25.
Here, CPU 25 receives MII (management stand-alone interface) data, by data processing and is converted to CAN communication, and pass through
Signal (CRC: cyclic redundancy check) is detected in internal discriminatory carrier, sends and receives data using iS7 frequency converter 10.This institute
The data for sending and/or receiving are sent to the frequency converter keyboard 11 of iS7 frequency converter 10 by activation monitoring/diagnosing function
To show monitoring/diagnosing function.At this point, messaging parameter (COM) group, such as several receiving frames (RcvFrame) and several mistakes
Accidentally frame (Err Frame Num) is by monitoring/diagnosing function activation.
It is necessary to need two physical layers to use binary channels as RAPIEnet (the real-time automatic association of Industrial Ethernet
View) communication optional modules.It is handled in CPU and signal (CRC) is detected with discriminatory carrier by the data that physical layer transmits.
The monitoring of frequency converter/examine is activated by carrier sense signal (CRC) therefore, it is not possible to find and generate in which channel
Several receiving frames (RcvFrame) and several erroneous frames (Err Frame Num) of the set of communication parameters (COM) of disconnected function.Cause
This, has that two channels are searched in requirement.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of RAPIEnet (the real-time automatic protocol of Industrial Ethernet) network system
The monitoring device and monitoring method of dual channel bus data in system.According to an exemplary embodiment of the present disclosure, RAPIEnet network
System can generate the monitoring/diagnosing function of activation frequency converter by optionally monitoring using dual-channels communication in which channel
Several receiving frames (RcvFrame) and several erroneous frames (Err Frame Num) of the set of communication parameters (COM) of energy, to make
When with dual-channels communication, or even when processing detects signal (CRC) by the data that physical layer transmits with discriminatory carrier in CPU
Enhance monitoring/diagnosing function.
In the overall plan of the disclosure, a kind of monitoring of dual channel bus data in RAPIEnet network system is provided
Equipment, the monitoring device include: first passage unit, are configured to send and receive data segment by network-bus, by institute
Received data segment is converted into MII (management stand-alone interface) data segment, and sends and receives the MII data segment after conversion；Second
Channel unit is configured to send and receive data segment by network-bus, and the data segment received is converted to MII data
Section, and send and receive the MII data segment after conversion；CPU is configured to identification from first passage unit and second channel unit
The carrier sense signal (CRC: cyclic redundancy check) of the MII data received simultaneously sends and receives MII data；And monitoring is single
Member is configured to execute the data communication with CPU, and the data segment of the MII data received in each channel monitoring from CPU.
In some exemplary embodiments of the disclosure, first passage unit and second channel unit can be with 16 word lists
First change data section simultaneously sends the data segment after conversion.
In some exemplary embodiments of the disclosure, the MII converting unit of first passage unit can shift 8 data
Section simultaneously stores it in the value compared with most-significant byte to be converted, and the MII converting unit of second channel unit can shift 8 data segments
And it is stored in the value compared with least-significant byte to be converted.
In some exemplary embodiments of the disclosure, monitoring unit can show several receiving frames or several erroneous frames.
In some exemplary embodiments of the disclosure, monitoring unit can be expressed from zero (0) to predetermined threshold, and be worked as
Value can count from zero again when being more than predetermined threshold.
In some exemplary embodiments of the disclosure, by being inserted between higher two numerical digits and lower two numerical digits
Zero, passed through in the received data of network-bus by being shown in higher two numerical digits from the number of the receiving frame of first channel reception
The number of mesh or erroneous frame, by showing in lower two numerical digits by being received in the received data of network-bus from second channel
Receiving frame number or erroneous frame number, the number of the receiving frame of set of communication parameters can be by a total of five numerical digit come table
It reaches.
In another overall plan of the disclosure, dual channel bus data in a kind of RAPIEnet network system are provided
Monitoring method, the monitoring method includes: that will be received when from network-bus receiving data segment by first passage unit
Data segment be converted into MII (management stand-alone interface) data segment, and send CPU for the MII data segment after conversion；From network
When bus receiving data segment, the data segment received is converted by MII (management stand-alone interface) data by second channel unit
Section, and CPU is sent by the MII data segment after conversion；It is received by CPU identification from first passage unit and second channel unit
MII data carrier sense signal (CRC: cyclic redundancy check), and send monitoring unit for MII data；And pass through
Monitoring unit, in the data segment for the MII data that each channel monitoring is received from CPU.
In some exemplary embodiments of the disclosure, the received data segment of conversion first passage unit and second channel list
The step of first received data segment may include with 16 word cell change data sections and sending the data segment after conversion.
In some exemplary embodiments of the disclosure, received data section is converted by first passage unit
The step of MII data segment may include displacement 8 data segments and by storage its in the value compared with most-significant byte to it compared with most-significant byte
Value converted, and the step of received data section is converted into MII data segment by second channel unit can shift 8
Position data segment simultaneously converts it in the value compared with least-significant byte in the value compared with least-significant byte by storing it.
In some exemplary embodiments of the disclosure, monitoring step may include showing several receiving frames or several mistakes
Frame.
In some exemplary embodiments of the disclosure, monitoring step may include expression from zero (0) to predetermined threshold, and
And it can be counted from zero again when value is more than predetermined threshold.
In some exemplary embodiments of the disclosure, by being inserted between higher two numerical digits and lower two numerical digits
Zero, passed through in the received data of network-bus by being shown in higher two numerical digits from the number of the receiving frame of first channel reception
The number of mesh or erroneous frame, by showing in lower two numerical digits by being received in the received data of network-bus from second channel
Receiving frame number or erroneous frame number, the number of the receiving frame of set of communication parameters can be by a total of five numerical digit come table
It reaches.
It is set according to the monitoring of dual channel bus data in the RAPIEnet network system of the exemplary embodiment of the disclosure
Standby and monitoring method can monitor the messaging parameter generated in which channel for activating the monitoring/diagnosing function of frequency converter
Several receiving frames (RcvFrame) of group (COM) and several erroneous frames (Err Frame Num).Therefore, in any one channel
Then it is not necessarily to check two channels when detecting several erroneous frames (Err Frame Num).This provides users with the convenient, and
And compared with the prior art for provide have the effect of it is more specific, enhancing monitoring/diagnosing function.
Detailed description of the invention
Fig. 1 is the figure for showing conventional bus network system.
Fig. 2 is the functional block diagram for showing the detailed construction of the communication option card according to Fig. 1.
Fig. 3 is the functional block diagram for showing traditional dual channel bus network system.
Fig. 4 shows dual channel bus data in RAPIEnet network system according to the exemplary embodiment of the disclosure
The functional block diagram of the structure of monitoring device.
Fig. 5 shows dual channel bus data in RAPIEnet network system according to the exemplary embodiment of the disclosure
The flow chart of monitoring method.
Appended drawing reference
100 first passage units
200 second channel units
300 CPU
400 monitoring unit
Specific embodiment
In the following, will be described in RAPIEnet network system according to the exemplary embodiment of the disclosure referring to attached drawing
The monitoring device and monitoring method of dual channel bus data.
Fig. 4 shows dual channel bus data in RAPIEnet network system according to the exemplary embodiment of the disclosure
The functional block diagram of the structure of monitoring device.
As shown in figure 4, dual channel bus data in RAPIEnet network system according to the exemplary embodiment of the disclosure
Monitoring device can by include first passage unit 100, second channel unit 200, CPU 300 and monitoring unit 400 come
It is formed.
First passage unit 100 can by include network-bus 1, send and receive data physical layer element 110, with
And MII data segment will be converted by the received data segment of physical layer element 110 and sends the MII data segment after conversion to
The MII converting unit 120 of CPU 300 is formed.
CPU 300 can identify the load of the MII data received from first passage unit 100 and second channel unit 200
Wave detects signal (CRC: cyclic redundancy check), and can use monitoring unit 400 to send and receive MII data.
Monitoring unit 400 can execute the data communication with CPU 300, and can be in each channel monitoring from CPU 300
The data segment of the MII data received.
Here, the MII converting unit 120,220 of first passage unit 100 and second channel unit 200 can be with 16 words
Cell translation data segment simultaneously sends the data segment after conversion.
Meanwhile the MII converting unit 120 of first passage unit 100 can shift 8 data segments and store it in most-significant byte
Value to be converted, the MII converting unit of second channel unit shift 8 data segments and store its least-significant byte value with into
Row conversion.
In contrast, monitoring unit 400 can show several receiving frames or several erroneous frames.Here, monitoring unit 400 can
To express from zero (0) to predetermined threshold, and can be counted from zero again when value is more than predetermined threshold.
Here, by being inserted into zero between higher two numerical digits and lower two numerical digits, by aobvious in higher two numerical digits
Show by the received data of network-bus 1 from the number of the receiving frame of first channel reception or the number of erroneous frame, and
By lower two numerical digits show by the received data of network-bus from the number of the received receiving frame of second channel or
The number of the number of erroneous frame, the receiving frame of set of communication parameters can be expressed by a total of five numerical digit.
Therefore, according to an exemplary embodiment of the present disclosure, by by the number of receiving frame and erroneous frame be limited to 0-64 (
It is expressed as 0 to 65535 in the prior art), several receiving frames and several erroneous frames can be monitored when using binary channels.This tool
There is the advantages of diagnostic function is improved for channel.
In the following, will be described in double in RAPIEnet network system according to the exemplary embodiment of the disclosure referring to Fig. 5
The monitoring method of channel bus data.
Firstly, first passage unit 100 can convert the data segment received when from network-bus receiving data segment
CPU (S100) is sent to for MII data segment and by the MII data segment after conversion.It will be received by first passage unit 100
Data segment be converted into the step of MII data segment (S100) may include displacement 8 data segments and by store its compared with most-significant byte
Value and it is converted in the value compared with most-significant byte.
Meanwhile when from network-bus receiving data segment, second channel unit 200 can be converted the data segment received
CPU (S200) is sent to for MII data segment and by the MII data segment after conversion.It will be received by second channel unit 200
Data segment be converted into the step of MII data segment (S200) may include displacement 8 data segments and by store its compared with least-significant byte
Value and it is converted in the value compared with least-significant byte.
Here, the data segment that is received by first passage cell translation with received by second channel cell translation
The step of data segment (S100, S200) may include with 16 word cell change data sections and sending the data segment after conversion.
Then, CPU can identify the carrier wave detection of the MII data received from first passage unit and second channel unit
Signal (CRC), and MII data can be sent to monitoring unit 400 (S300).
Monitoring unit 400 can be in the data segment (S400) for the MII data that each channel monitoring is received from CPU.
Here, monitoring step (S400) may include showing several receiving frames or several erroneous frames.In addition, monitoring step
400 may include indicating from zero (0) to predetermined threshold, and can count from zero again when value is more than predetermined threshold.
Here, by being inserted into zero between higher two numerical digits and lower two numerical digits, by aobvious in higher two numerical digits
Show by, from the number of the receiving frame of first channel reception or the number of erroneous frame, and passing through in the received data of network-bus
It shows in lower two numerical digits through the number or mistake in the received data of network-bus from the received receiving frame of second channel
The number of the number of frame, the receiving frame of set of communication parameters can be expressed by a total of five numerical digit.
The above exemplary embodiments are intended to illustrative, do not limit the scope of the claims.Many alternatives, modification
Example, change case and equivalent are apparent to those skilled in the art.The feature of exemplary embodiment described herein,
Structure, method and other characteristics can be combined in various ways to obtain other and/or substitution exemplary embodiment.Cause
This, the technical scope of the right of the disclosure should be determined by claims.
Claims (10)
1. the monitoring device of dual channel bus data, the monitoring device include: in a kind of RAPIEnet network system
First passage unit, is configured to through network-bus receiving data segment, and received data segment is converted to management
Stand-alone interface MII data segment, and send the MII data segment after conversion；
Second channel unit, is configured to through network-bus receiving data segment, and received data segment is converted to MII number
According to section, and send the MII data segment after conversion；
CPU is configured to identify the MII data segment received from the first passage unit and the second channel unit
Carrier sense signal, and send the MII data segment；And
Monitoring unit is configured to execute the data communication with the CPU, and according to the MII number received from the CPU
The data segment in each channel is monitored according to section,
Wherein the first passage unit and the second channel unit are with 16 word cells conversion data segments, and send and turn
Data segment after changing,
The first passage unit shifts 8 data segments and is stored in the value after displacement in the most-significant byte of 16 words and described
Second channel unit shifts 8 data segments and the value after displacement is stored in the least-significant byte of 16 words.
2. monitoring device as described in claim 1, wherein
The MII converting unit of the first passage unit shifts 8 data segments and the value after displacement is stored in the high by 8 of 16 words
To be converted in position, and
The MII converting unit of the second channel unit shifts 8 data segments and the value after displacement is stored in low the 8 of 16 words
To be converted in position.
3. monitoring device as described in claim 1, wherein
The monitoring unit shows several receiving frames or several erroneous frames in set of communication parameters.
4. monitoring device as described in claim 1, wherein
The monitoring unit count down to predetermined threshold from zero (0), and starts from scratch again when value is more than the predetermined threshold
It counts.
5. monitoring device as claimed in claim 3, wherein
By being inserted into zero between lower two numerical digits in higher two numerical digits and five numerical digits in five numerical digits, lead to
It crosses and shows in higher two numerical digits by received from the first passage unit in the received data of the network-bus
The number of receiving frame or the number of erroneous frame, and it is received by the network-bus by being shown in lower two numerical digits
It is received from the number of the received receiving frame of second channel unit or the number of erroneous frame, the set of communication parameters in data
The number of frame or the number of erroneous frame are expressed by a total of five numerical digit.
6. the monitoring method of dual channel bus data, the monitoring method include: in a kind of RAPIEnet network system
When from network-bus receiving data segment, the data segment received is converted by management by first passage unit and is independently connect
Mouth MII data segment, and the MII data segment after conversion is sent to CPU；
When receiving the data segment from network-bus, the data segment received is converted by MII number by second channel unit
CPU is sent to according to section, and by the MII data segment after conversion；
By CPU identification from the first passage unit and the received MII data segment of the second channel unit
Carrier sense signal, and the MII data segment is sent to monitoring unit；And
By the monitoring unit, the data segment in each channel is monitored according to the MII data segment received from the CPU,
It the data segment that is wherein received by the first passage cell translation and is connect by the second channel cell translation
The step of data segment received include converted with 16 word cells the data segment and send conversion after data segment,
The step of data segment wherein received by the first passage cell translation, includes 8 data segments of displacement and will displacement
Value afterwards is stored in the most-significant byte of 16 words, and received by the second channel cell translation data segment the step of
Including 8 data segments of displacement and the value after displacement is stored in the least-significant byte of 16 words.
7. monitoring method as claimed in claim 6, wherein
The step of data segment received by the first passage cell translation, is converted by the MII of the first passage unit
What unit executed, and
The step of data segment received by the second channel cell translation, is converted by the MII of the second channel unit
What unit executed.
8. monitoring method as claimed in claim 6, wherein
The monitoring step includes several receiving frames or several erroneous frames shown in set of communication parameters.
9. monitoring method as claimed in claim 6, wherein
The monitoring step include predetermined threshold is count down to from zero (0), and when value be more than the predetermined threshold when again from zero
It starts counting.
10. monitoring method as claimed in claim 8, wherein
By being inserted into zero between lower two numerical digits in higher two numerical digits and five numerical digits in five numerical digits, lead to
It crosses and shows in higher two numerical digits by received from the first passage unit in the received data of the network-bus
The number of receiving frame or the number of erroneous frame, and received by being shown in lower two numerical digits by the network-bus
Data in from the number of the received receiving frame of second channel unit or the number of erroneous frame, the receiving frame of set of communication parameters
Number or the number of erroneous frame expressed by a total of five numerical digit.
Applications Claiming Priority (2)
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|---|---|---|---|
| KR1020140030736A KR101933447B1 (en) | 2014-03-17 | 2014-03-17 | Monitoring device of two channels bus data in network system |
| KR10-2014-0030736 | 2014-03-17 |
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|---|---|
| CN104935475A CN104935475A (en) | 2015-09-23 |
| CN104935475B true CN104935475B (en) | 2019-03-05 |
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| CN201510202217.5A Expired - Fee Related CN104935475B (en) | 2014-03-17 | 2015-03-16 | The monitoring method and equipment of dual channel bus data in network system |
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| EP (1) | EP2922243B1 (en) |
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| KR102102113B1 (en) * | 2019-03-25 | 2020-04-20 | 엘에스일렉트릭(주) | METHOD FOR RESTORING NETWORK COMMUNICATION FAILURE IN RAPIEnet SYSTEM |
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| KR20030094936A (en) * | 2002-06-10 | 2003-12-18 | 엘지전자 주식회사 | Apparatus and Method for Controlling MII Signal |
| JP4903201B2 (en) | 2005-06-23 | 2012-03-28 | ヒルシャー ゲゼルシャフト フュア ジステームアウトマツィオーン ミット ベシュレンクテル ハフツング | Data communication method for bus subscription equipment in open automation system |
| KR101178324B1 (en) * | 2010-04-12 | 2012-08-29 | 한국원자력연구원 | Safety-grade communication interface module for nuclear power plant satety system |
| US8582581B2 (en) * | 2010-09-28 | 2013-11-12 | Cooper Technologies Company | Dual-port ethernet traffic management for protocol conversion |
| US8902922B2 (en) * | 2012-01-05 | 2014-12-02 | Texas Instruments Incorporated | Unified programmable interface for real-time Ethernet |
| US8837494B2 (en) * | 2012-02-22 | 2014-09-16 | Broadcom Corporation | Encoding virtual LAN tags |
| CN103853680A (en) * | 2012-12-04 | 2014-06-11 | 鸿富锦精密工业（深圳）有限公司 | Bus-signal monitoring device and method |
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- 2014-03-17 KR KR1020140030736A patent/KR101933447B1/en active IP Right Grant
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2015
- 2015-03-11 US US14/644,955 patent/US9537507B2/en active Active
- 2015-03-13 ES ES15159049.4T patent/ES2608917T3/en active Active
- 2015-03-13 EP EP15159049.4A patent/EP2922243B1/en not_active Not-in-force
- 2015-03-16 CN CN201510202217.5A patent/CN104935475B/en not_active Expired - Fee Related
- 2015-03-17 JP JP2015053335A patent/JP5894307B2/en not_active Expired - Fee Related
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| EP1361700A1 (en) * | 2002-05-07 | 2003-11-12 | Marconi Intellectual Property (Ringfence) Inc. | Service channel over the ethernet inter-frame gap |
| CN1653437A (en) * | 2002-05-16 | 2005-08-10 | 英特尔公司 | Bus conversion device, system and method |
| CN101388817A (en) * | 2008-10-30 | 2009-03-18 | 上海大学 | Hundred megabyte Ethernet extra information transmission method and transmission implementing system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101933447B1 (en) | 2018-12-28 |
| JP5894307B2 (en) | 2016-03-23 |
| CN104935475A (en) | 2015-09-23 |
| ES2608917T3 (en) | 2017-04-17 |
| EP2922243A1 (en) | 2015-09-23 |
| US9537507B2 (en) | 2017-01-03 |
| JP2015177550A (en) | 2015-10-05 |
| EP2922243B1 (en) | 2016-11-16 |
| US20150263919A1 (en) | 2015-09-17 |
| KR20150108060A (en) | 2015-09-25 |
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